/* ==========================================================================
   404 Error Page Styles
   Avenza Fiber LLP - High-Tech Industrial Aesthetic
   ========================================================================== */

.error-page {
  padding: clamp(3.5rem, 8vw, 7rem) 0 clamp(4rem, 8vw, 8rem) 0;
  min-height: calc(100vh - 380px);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 50% 15%, rgba(234, 161, 67, 0.07) 0%, transparent 65%),
              linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

.error-page__content {
  max-width: 980px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
  padding: 0 1rem;
}

.error-page__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(234, 161, 67, 0.12);
  border: 1px solid rgba(234, 161, 67, 0.35);
  color: #b45309;
  font-weight: 700;
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.4rem 1rem;
  border-radius: 9999px;
  margin-bottom: 1.5rem;
}

.error-page__glitch-wrap {
  position: relative;
  display: block;
  margin-bottom: 1rem;
}

.error-page__code {
  font-family: var(--font-heading);
  font-size: clamp(5rem, 15vw, 9.5rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, #0f172a 0%, #334155 45%, #d97706 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 0;
  filter: drop-shadow(0 8px 24px rgba(15, 23, 42, 0.08));
}

.error-page__title {
  font-size: clamp(1.75rem, 3.8vw, 2.5rem);
  font-weight: 800;
  color: var(--color-primary-950);
  margin-bottom: 1rem;
  line-height: 1.25;
  letter-spacing: -0.015em;
}

.error-page__desc {
  font-size: clamp(0.95rem, 1.6vw, 1.15rem);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 680px;
  margin: 0 auto 2.5rem auto;
}

.error-page__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.error-page__actions .btn {
  min-width: 180px;
  justify-content: center;
}

@media (max-width: 480px) {
  .error-page__actions {
    flex-direction: column;
    width: 100%;
  }

  .error-page__actions .btn {
    width: 100%;
  }
}

.error-page__nav-heading {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.error-page__nav-heading::before,
.error-page__nav-heading::after {
  content: '';
  height: 1px;
  width: 40px;
  background: var(--color-border-light);
}

.error-page__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  text-align: left;
}

@media (min-width: 580px) {
  .error-page__cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .error-page__cards {
    grid-template-columns: repeat(4, 1fr);
  }
}

.error-card {
  background: #ffffff;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-fast);
  text-decoration: none;
  color: inherit;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.04);
  position: relative;
  height: 100%;
}

.error-card:hover {
  transform: translateY(-4px);
  border-color: rgba(234, 161, 67, 0.55);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.08);
}

.error-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(234, 161, 67, 0.12);
  color: #d97706;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.error-card:hover .error-card__icon {
  background: #eaa143;
  color: #0f172a;
}

.error-card__title {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-primary-950);
  margin-bottom: 0.45rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.error-card__title svg {
  transition: transform var(--transition-fast);
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.error-card:hover .error-card__title svg {
  transform: translateX(4px);
  color: #d97706;
}

.error-card__desc {
  font-size: 0.84rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin: 0;
}

.error-page__helpbox {
  margin-top: 2.5rem;
  padding: 1.25rem 1.75rem;
  background: #f8fafc;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.error-page__helpbox strong {
  color: var(--color-primary-950);
}

.error-page__helpbox a {
  color: var(--color-secondary-accessible);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}